Noun
(logic, computing) A logical connective joining two or more predicates that yields the logical value "true" when at least one of the predicates is true.
(computing) A bitwise operator that yields 1 when any of its operands is 1.
Source: en.wiktionary.orgIn other words, in ordinary language "or" can mean the inclusive or exclusive or. Source: Internet
Different first-person forms in both the dual and the plural used for groups inclusive or exclusive of the listener. Source: Internet